A pencil and an eraser cost 1.10. A pencil cost 1$ more than the eraser how much is the erasers? I'm seeing answers of 1.10-1.00= .10
.10÷2=.05
Erasers is .05
Explain the division of 2? I don't understand that

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

How do you write something in scientific notation?

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile